Yunir Wide Angle Macro Lens, Camera 52mm 0.45X Magnification Universal Conversion Lens Professional Optical Glass Camera Close-Up Lens, for Canon for Nikon for Sony 52mm Mount Camera: Amazon.co.uk: Electronics & Photo
Super Wide Semi Fish eye 0.35X lens 52mm threaded rim for 18-55mm | eBay
Camera Fisheye Lens,VBESTLIFE 52mm 0.35X Wide Angle Fisheye Lens with Lens Caps Storage Pouch for Canon/Nikon/Sony/Minolta/Pansonic/Olympus/Pentax SLR and Digital Camera.: Amazon.co.uk: Electronics & Photo